<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<body>
  <div id="app">
      <h1>{{message}}</h1>
      <h1>{{site}}</h1>
      <h1 v-html="site"></h1>
    </div>

  <script src="../js/vue.js"></script>
  <script>
     // 1.创建Vue的实例对象
     const app = Vue.createApp({
      data(){
        return {
          message: '你好Vue3!',
          site: '<a href="www.qindalin.com">博客</a>'
        }
      }
     }).mount('#app');
  </script>
</body>
</html>